没有人知道来自国际空间站的新的衍生技术未来会如何造福人类。
No one knows how new spin-off technology from the International Space Station will help us in the future.
基于具有同构关系的对应点无限衍生技术，采用反证法证明了这个充分必要条件的成立。
With the help of the technique for unlimitedly generating the corresponding pairs of vertices, this condition is proved with the method of reduction to absurdity.
结果在线衍生技术克服了离线手工衍生的偏差，双检测器联用技术能有效提高定性的可靠性和定量的准确性。
Results The online derivation technicque overcame the deviation arised from manual operating and serial detecting technicque could enhance both reliability and accuracy of determination.
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